You don't necessarily need to read the Lorebook! Contains spoilers

Everyday Host: Prequel Arc

Trillion rules mentioned in the work:

Club Trillion's 15 Rules

1. Do not betray the CEO.
2. Do not receive money directly from customers.
3. Do not be late or absent without notice.
4. Undergo a thorough physical examination once a month.
5. Bathe every day.
6. Brush your teeth every day.
7. Any fights or lawsuits must be handled outside the establishment at your own responsibility.
8. Tax payment is to be handled by the taxpayer themselves at their own responsibility, whether they choose to pay or not.
9. Do not cause trouble for the CEO due to Rules 7 or 8.
10. Those wishing to leave Trillion must announce their intention in advance.
11. Those who have left Trillion must not use their stage name at other establishments or for private purposes.
12. Those who have left Trillion must return all customer business cards, phone numbers, and other information, and must not use them at other establishments or for private purposes.
13. Those who have left Trillion must not mention the name of Trillion.
14. Those who have left Trillion must not set foot in Trillion.
15. Those who cannot memorize the summary of Rules 1 through 14 will be fired. Furthermore, fines will be imposed on those who violate the rules or fail to meet their monthly quotas. (See attached sheet) End. April 1, 1996. CEO Shin